Imagick::sepiaToneImage
(PECL imagick 2.0.0)
Imagick::sepiaToneImage — Sepia tones an image
Description
bool Imagick::sepiaToneImage ( float $threshold )
Applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the sepia toning. A threshold of 80 is a good starting point for a reasonable tone.
Parameters
threshold
Return Values
Returns TRUE
on success.
Errors/Exceptions
Throws ImagickException on error.
Examples
Example #1 Imagick::sepiaToneImage()
<?php
function sepiaToneImage($imagePath, $sepia) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->sepiaToneImage($sepia);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
← Imagick::separateImageChannel
Imagick::setBackgroundColor →
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护,如有问题请联系 cloudcommunity@tencent.com